CVE-2025-59240

Medium

Description

Exposure of sensitive information to an unauthorized actor in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

SeverityMedium
CVSS5.5
Exploit probability—
ProductMicrosoft Excel
PublishedNov 11, 2025
First seenNov 11, 2025

How to fix

Affected products

ProductAffected versionsFixed in
microsoft excel2016—
microsoft 365_appsNo range specified—
microsoft office2019—
microsoft office_long_term_servicing_channel2021, 2024—

Check your version

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